4. Electricity: measuring and testing
  5. Magnetic
  6. With means to create magnetic field to test material

Akio Kokubu

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AC magnetic flux leakage flaw detecting apparatus for detecting

Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent

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Data storing system, issuing apparatus, data providing...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate

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Ignition device for internal combustion engines

Internal-combustion engines – Combustion chamber means having fuel injection only – Having a particular relationship between injection and...
Reexamination Certificate

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Ignition system

Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Reexamination Certificate

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Lateral electrode type spark plug with geometrical relationships

Electric lamp and discharge devices – Spark plugs – Electrodes are pure figures of revolution about plug axis
Patent

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Profile ID: LFUS-PAI-P-550542

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